Sony made good on its promise to restore the beleaguered PlayStation Network back to full strength, re-opening the online PlayStation Store and also allowing players to re-download past purchases. [More]

Sony’s PlayStation Network has been down for more than three weeks, during which the company hasn’t been able to definitively state whether or not users’ credit card information was compromised. But in a letter sent to game publishers, Sony writes that it’s seen no proof that such data was hacked. [More]

In congressional testimony this morning, Dr. Gene Spafford of Purdue University said that Sony was using outdated software on its servers — and knew about it months in advance of the recent security breaches that allowed hackers to get private information from over 100 million user accounts. [More]